This paper estimates the employer-size wage effect on returns to unobservable skills and measured human capital variables using a novel methodology that allows us to estimate a high number of interactions between unobserved effects and firm size. Our results show that in large firms, returns to...

Empirically very little is known about the impact of an increase in the minimum wage of young workers on the job-skill composition. This is an important question because small (or zero) effects on teenage employment may mask a substitution of more for less-skilled teenagers. Therefore, the...

The role of the accumulation of human capital to per capita income growth has been sharply debated among economists and policy makers. One open question of this debate is how to measure human capital. The standard approach is to use the average years of education of the labour force or the...

Integration into the world economy, specialization in low-technology sectors and labour market rigidity have been singled out as structural features of the Portuguese economy that are crucial for the understanding of its performance. In this paper, we explore empirically the role of openness,...

: This paper presents a monopolistic model of price discrimination by means of targeted informative advertising. Targeting is defined as the ability of the firm to direct messages with different contents to different segments of consumers. Segmentation is based on different valuations of the...